Re: [Gtkwave-users] Comparing waveforms

[<by...@nc...>]

	Events type should now dump properly with what I checked into svn
(r1550).

	https://sourceforge.net/p/gtkwave/code/1550/

	I don't know about the truncation at start of sim. I'd need you to
email me some waves with instructions on which signals have the
problem.

	Thanks,
-Tony

	-----------------------------------------From: "Roman Popov" 
To: gtk...@li...
Cc: 
Sent: Thursday January 23 2020 11:10:37AM
Subject: Re: [Gtkwave-users] Comparing waveforms

Thanks, sounds like a great idea!
However, it seems like Export -> Write VCD does not work.
For example, I select some signals as on this picture:

Then Export->Write VCD. When I open exported file I got:

So it looks like data is truncated at start of simulation. And event
signal is always 1.
- Roman

ср, 22 янв. 2020 г. в 18:59, :

	Probably you can use this:  [2]https://github.com/veripool/vcddiff
[3]

	I haven't tried it, but you could probably bring up the signals you
want, then Export -> Write VCD As. After that, run them through that
vcddiff tool.

	-Tony

	-----------------------------------------From: "Roman Popov" 
To: gtk...@li... [4]
Cc: 
Sent: Wednesday January 22 2020 9:49:11PM
Subject: [Gtkwave-users] Comparing waveforms

Hi,What is the best way to compare two waveforms? For example, if I
have two waveforms with same design tree before and after some
patching. And I want to find out what signal values changed.
I can use TwinWave for manual inspection, but usually it is very time
consuming. Is there a better, more automated way?
-Roman  _______________________________________________
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[3] https://github.com/veripool/vcddiff
[4] mailto:gtk...@li...
[5] mailto:Gtk...@li...
[6] https://lists.sourceforge.net/lists/listinfo/gtkwave-users
[7] https://lists.sourceforge.net/lists/listinfo/gtkwave-users